#region Copyright (c) 2003, newtelligence AG. All rights reserved.
/*
// Copyright (c) 2003, newtelligence AG. (http://www.newtelligence.com)
// Original BlogX Source Code: Copyright (c) 2003, Chris Anderson (http://simplegeek.com)
// All rights reserved.
//  
// Redistribution and use in source and binary forms, with or without modification, are permitted 
// provided that the following conditions are met: 
//  
// (1) Redistributions of source code must retain the above copyright notice, this list of 
// conditions and the following disclaimer. 
// (2) Redistributions in binary form must reproduce the above copyright notice, this list of 
// conditions and the following disclaimer in the documentation and/or other materials 
// provided with the distribution. 
// (3) Neither the name of the newtelligence AG nor the names of its contributors may be used 
// to endorse or promote products derived from this software without specific prior 
// written permission.
//      
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS 
// OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY 
// AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 
// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER 
// IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 
// OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// -------------------------------------------------------------------------
//
// Original BlogX source code (c) 2003 by Chris Anderson (http://simplegeek.com)
// 
// newtelligence is a registered trademark of newtelligence Aktiengesellschaft.
// 
// For portions of this software, the some additional copyright notices may apply 
// which can either be found in the license.txt file included in the source distribution
// or following this notice. 
//
*/
#endregion


using System;
using System.Collections;

namespace newtelligence.DasBlog.Runtime
{
    /// <summary>
    /// A collection of elements of type EventDataItem
    /// </summary>
    public class EventDataItemCollection: System.Collections.CollectionBase
    {

        private class EventDayComparer : IComparer
        {
            int IComparer.Compare( object a, object b )
            {
                return ((EventDataItem)a).EventTimeUtc.CompareTo(((EventDataItem)b).EventTimeUtc)*-1;
            }
        }

        /// <summary>
        /// Initializes a new empty instance of the EventDataItemCollection class.
        /// </summary>
        public EventDataItemCollection()
        {
            // empty
        }

        /// <summary>
        /// Initializes a new instance of the EventDataItemCollection class, containing elements
        /// copied from an array.
        /// </summary>
        /// <param name="items">
        /// The array whose elements are to be added to the new EventDataItemCollection.
        /// </param>
        public EventDataItemCollection(EventDataItem[] items)
        {
            this.AddRange(items);
        }

        /// <summary>
        /// Initializes a new instance of the EventDataItemCollection class, containing elements
        /// copied from another instance of EventDataItemCollection
        /// </summary>
        /// <param name="items">
        /// The EventDataItemCollection whose elements are to be added to the new EventDataItemCollection.
        /// </param>
        public EventDataItemCollection(EventDataItemCollection items)
        {
            this.AddRange(items);
        }

        /// <summary>
        /// Adds the elements of an array to the end of this EventDataItemCollection.
        /// </summary>
        /// <param name="items">
        /// The array whose elements are to be added to the end of this EventDataItemCollection.
        /// </param>
        public virtual void AddRange(EventDataItem[] items)
        {
            foreach (EventDataItem item in items)
            {
                this.List.Add(item);
            }
        }

        /// <summary>
        /// Adds the elements of another EventDataItemCollection to the end of this EventDataItemCollection.
        /// </summary>
        /// <param name="items">
        /// The EventDataItemCollection whose elements are to be added to the end of this EventDataItemCollection.
        /// </param>
        public virtual void AddRange(EventDataItemCollection items)
        {
            foreach (EventDataItem item in items)
            {
                this.List.Add(item);
            }
        }

        /// <summary>
        /// Adds an instance of type EventDataItem to the end of this EventDataItemCollection.
        /// </summary>
        /// <param name="value">
        /// The EventDataItem to be added to the end of this EventDataItemCollection.
        /// </param>
        public virtual void Add(EventDataItem value)
        {
            this.List.Add(value);
        }

        /// <summary>
        /// Determines whether a specfic EventDataItem value is in this EventDataItemCollection.
        /// </summary>
        /// <param name="value">
        /// The EventDataItem value to locate in this EventDataItemCollection.
        /// </param>
        /// <returns>
        /// true if value is found in this EventDataItemCollection;
        /// false otherwise.
        /// </returns>
        public virtual bool Contains(EventDataItem value)
        {
            return this.List.Contains(value);
        }

        /// <summary>
        /// Return the zero-based index of the first occurrence of a specific value
        /// in this EventDataItemCollection
        /// </summary>
        /// <param name="value">
        /// The EventDataItem value to locate in the EventDataItemCollection.
        /// </param>
        /// <returns>
        /// The zero-based index of the first occurrence of the _ELEMENT value if found;
        /// -1 otherwise.
        /// </returns>
        public virtual int IndexOf(EventDataItem value)
        {
            return this.List.IndexOf(value);
        }

        /// <summary>
        /// Inserts an element into the EventDataItemCollection at the specified index
        /// </summary>
        /// <param name="index">
        /// The index at which the EventDataItem is to be inserted.
        /// </param>
        /// <param name="value">
        /// The EventDataItem to insert.
        /// </param>
        public virtual void Insert(int index, EventDataItem value)
        {
            this.List.Insert(index, value);
        }

        /// <summary>
        /// Gets or sets the EventDataItem at the given index in this EventDataItemCollection.
        /// </summary>
        public virtual EventDataItem this[int index]
        {
            get
            {
                return (EventDataItem) this.List[index];
            }
            set
            {
                this.List[index] = value;
            }
        }

        /// <summary>
        /// Removes the first occurrence of a specific EventDataItem from this EventDataItemCollection.
        /// </summary>
        /// <param name="value">
        /// The EventDataItem value to remove from this EventDataItemCollection.
        /// </param>
        public virtual void Remove(EventDataItem value)
        {
            this.List.Remove(value);
        }

        /// <summary>
        /// Type-specific enumeration class, used by EventDataItemCollection.GetEnumerator.
        /// </summary>
        public class Enumerator: System.Collections.IEnumerator
        {
            private System.Collections.IEnumerator wrapped;

            public Enumerator(EventDataItemCollection collection)
            {
                this.wrapped = ((System.Collections.CollectionBase)collection).GetEnumerator();
            }

            public EventDataItem Current
            {
                get
                {
                    return (EventDataItem) (this.wrapped.Current);
                }
            }

            object System.Collections.IEnumerator.Current
            {
                get
                {
                    return (EventDataItem) (this.wrapped.Current);
                }
            }

            public bool MoveNext()
            {
                return this.wrapped.MoveNext();
            }

            public void Reset()
            {
                this.wrapped.Reset();
            }

            
        }

        /// <summary>
        /// Returns an enumerator that can iterate through the elements of this EventDataItemCollection.
        /// </summary>
        /// <returns>
        /// An object that implements System.Collections.IEnumerator.
        /// </returns>        
        public new virtual EventDataItemCollection.Enumerator GetEnumerator()
        {
            return new EventDataItemCollection.Enumerator(this);
        }

        public void SortByDateDesc()
        {
            this.InnerList.Sort( new EventDayComparer());       
        }
    }

}
